Bhagavatapurana 11.29.32

11.29.32

naitad vijñāya jijñāsor jñātavyam avaśiṣyate /
pītvā pīyūṣam amṛtaṃ pātavyaṃ nāvaśiṣyate //

32. When this is known, there is nothing more left to be known, for the enquirers; for after the exquisitely sweet nectar is drunk, nothing else is left worth drinking.